<!DOCTYPE html>
<html lang="zh_CN">
<head>
    <meta charset="UTF-8">
    <title>Title</title>
    <style>
        h1 {
            color: #f00;
        }
    </style>
</head>
<body>
<h1>学习的标签</h1>
</body>

<script src="./js/01.js"></script>

</html>
